A group of preschoolers has 15 boys and 12 girls. What is the ratio of girls to boys as a percentage?

Q: In a Geometry class, the girl to boy ratio is 10 to 2 . If there are a total of 24 students, how…

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Q: What proportion of students studied more than 4 hours?

A: Given that Total number of students = 240 Number of students who studied more than 4 hours = 50

Q: Is  volume of soda in a bottle is a ratio variable?

A: Interval Scale there is order and the difference between two values is meaningful. Eg- temperature…

Q: Christina had a coupon for 20% off and a coupon for $20. Which would be better to use on a dining…

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Q: The data shows that the percentage 015

A: Given the data shows that the percentage of female cigarette smokers in a certain country declined…

Q: In tilapia fish farming, 5 tons of high-quality feed resulted in a weight gain of 5,000 lb. What is…

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Q: In what percent of their games would you expect the Dodgers to score more than 7.31 runs?

A: Given: Distribution of games is symmetric, unimodal and bell-shaped.

Q: what is the ideal food cost percentage and selling price for 1 oz cheesecake in a casual dining…

A: The food cost can be divided into 2 parts: 1) Plate cost 2) Period cost Food cost percentage in the…

Q: What is the requested percentage?

A: 4.70c) In  this question, we have given Mean=513 S.D=130 To find the percentage for the score less…

Q: The percentage of female high school graduates who enrolled in college is given in the table below.

A: Given information: The data represents the percentage of female high school graduates enrolled in…

Q: The U.S. Air Force requires that pilots have heights between 64in and 77in. The heights of women are…

A: Obtain the percentage of woman meeting the height requirement. The percentage of woman meeting the…

Q: Of 60 patients treated with a certain medication, 24 showed no improvement. What percent of patients…

A: Total patient=60 Patient who showed no improvement=24 To calculate: what percent of patients…

Q: b. If one pint of milk is equivalent to 2 cups of milk, how many cups of milk did Jasmine and Brenda…

A: Given that Jasmine drank 2 pints of milk each day and Brenda drank 3 pints of milk each…

Q: If a company sells its product for $30 and has a unit cost of $12, what is the company’s markup…

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Q: If there is 15,000,000 of occupied sf of office space in San Antonio, an 75,000 office workers in…

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Q: What proportion of the adult men in the United States are at least 6 feet tall?

A: here mean= 69.5 inches standard deviation =  3.5 inches Y = height of men

Q: Suppose r is .84, compute proportion of variation is explained?

A: From the given information, it is observed that r=0.84.

Q: out of 200 people, 40 own dogs. what percent is that ?

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Q: what are the percentages of each individual fruit?

A: What are percentage of each individual

Q: What percentage of students spent up to 49 minutes on the computer?

A: Introduction: The quantity N possibly indicates the total number of observations in the dataset,…

Q: A school held a jump-roping contest. Diego jumped rope for 20 minutes. Jada jumped rope for 15…

A: detailed solution is given below

Q: A management survey for a company surveyed 235 employees. 105 of the employees surveyed were…

A: Given, Number of employees= 235 Female employees= 105 Male employee % =?

Q: identify a column in the table with data at a ratio level

A: Here you've given that data for Reputations of 10 companies in the U.S. and it is as follows, And…

Q: proportion of the minority students? Calculate Is this P or P^ ?

A: Given that  Total members of high school (n)= 1,672,395 Minority students (x) =793,986   We know…

Q: In science class, the girl to boy ratio is 3 to 7. If there are 50 students total in the class, how…

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Q: what percentage of the men worked?

A: men women total work 15 23 80 not work 23 28 51 total 38 93 131 what percentage of the…

Q: 3.) John sold 45 T-shirts last week and made $150 dollars. Using a proportion, how many T-shirts…

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Q: find the proportion that likes pizza.

A: Given : Question number of people who say yes Do you like Burgers ? 44 Do you like pizza ? 39…

Q: For the last performance, a theater tickets to children. What is the ratio of childrem tickets sold?

A: Given, for a performance, No. of tickets sold to adults=95 No. of tickets sold to children=45 Total…

Q: In science class ,the girl to boy ratio is 3 to 7  If there are 50 students total in the class, how…

A: girl to boy ratio is 3 to 7  girl : boy :: 3 : 7  ie total girls = 3k  total boys = 7k  then total…

Q: A is 8% taller than B,while B is 9% taller than C.By how much percent is A taller than C?

A:

Q: If the means and extremes of a proportion are interchanged, will the resulting ratios still form a…

A: We know that a Proportion is nothing but just a statement which makes two ratio equal . Consider the…

Q: (a) What percentage of plates should be expected to be thinner than 10 mm? (b) What percentage of…

A: Here, µ = 12 and σ = 1.5

Q: a) white: 145 b) hispanic: 24 c) african-american: 20 d) asian: 11 The ratio of Asians to the…

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Q: The percentage of men who meet the height requirement is %.

A: Men's height are normally distributed with : Mean , µ = 68.7 Standard deviation , σ = 3.4

Q: what percentage of the women did not work?

A: men women total work 15 23 80 not work 23 28 51 total 38 93 131 percentage of the women…

Q: ANALYZE Which ratio forms a proportion with ? B 14 c景 2/3 7/4

A: A proportion is simply a statement that two ratios are equal. It can be written in two ways: as two…

Q: What is the percentage of deaths that occurred in 2011?

A: We have given that the total number of fatal motor vehicle traffic crashes in the United States for…

Q: what is the proportion of 12/10 and 18/15

A: let a=12/10 and b=18/15 then proportion of and b is written as=a:b=a/b

Q: A principal of a college wants to estimate the proportion of smokers among his students. What

A: Given : Margin of error, E = 10% = 0.10 Sample proportion = 0.30

Q: What is the second term of the proportion a/b =x/y

A: Given proportion is ab=xy. To find the second term of the proportion. Solution: Given proportion is…

Q: In a survey, 7 out of 8 people preferred cooking to washing dishes. How would you write this ratio…

A: In a survey, 7 out of 8 people preferred cooking to washing dishes. How would you write this…

Q: In a city of 72,000 people, there are 27,000 people under 25 years of age. What percent of the…

A: The formula for percentage is, Perecent of Population=Population under 25 year ageTotal…

Q: - What percentage of the students is shorter than 135 cm?

A: Let X denote the height and f denotes the frequency. Then  Total frequency = 2+7+9+20+38+18+12+10+5…

Q: A recent market research survey showed that 3/8 of the people interviewed preferred decaffeinated…

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Q: What percentage of adults eat more than 10.4 ounces of chicken in one sitting?

A: Let X denote the amount of chicken that adults eat in one sitting. Given that X follows N(mean = 8,…

Q: A biologist looked at the relationship between number of seeds a plant produces and the percent of…

A: Here AS PER POLICY I HAVE CALCULATED 3 SUBPART PLZ REPOST FOR REMAINING PARTS

Q: The table shows the ratios of black socks to white socks in the women's and men's department of a…

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Q: Students surveyed boys and girls separately to determine which sport was enjoyed the most. After…

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Contingency Table

A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.

Binomial Distribution

Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.